2156435107 has 2 divisors, whose sum is σ = 2156435108. Its totient is φ = 2156435106.

The previous prime is 2156435101. The next prime is 2156435117. The reversal of 2156435107 is 7015346512.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2156435107 - 2⁷ = 2156434979 is a prime.

It is not a weakly prime, because it can be changed into another prime (2156435101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1078217553 + 1078217554.

It is an arithmetic number, because the mean of its divisors is an integer number (1078217554).

Almost surely, 2^2156435107 is an apocalyptic number.

2156435107 is a deficient number, since it is larger than the sum of its proper divisors (1).

2156435107 is an equidigital number, since it uses as much as digits as its factorization.

2156435107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 2156435107 is about 46437.4321749168. The cubic root of 2156435107 is about 1291.9492808466.

The spelling of 2156435107 in words is "two billion, one hundred fifty-six million, four hundred thirty-five thousand, one hundred seven".